From ae47ab39de3b00a79c6ad53699a9cd21d16c14cb Mon Sep 17 00:00:00 2001
From: Radu Ioan Fericean <radu@fericean.ro>
Date: Tue, 15 May 2012 17:31:26 +0300
Subject: [PATCH] created standalone session manager

---
 cmd/cgr-sessionmanager/cgr-sessionmanager.go | 40 ++++++++++++++++++++
 sessionmanager/sessiondelegate.go            | 15 +++++++-
 sessionmanager/sessionmanager.go             |  4 +-
 3 files changed, 56 insertions(+), 3 deletions(-)
 create mode 100644 cmd/cgr-sessionmanager/cgr-sessionmanager.go

diff --git a/cmd/cgr-sessionmanager/cgr-sessionmanager.go b/cmd/cgr-sessionmanager/cgr-sessionmanager.go
new file mode 100644
index 000000000..7c080192f
--- /dev/null
+++ b/cmd/cgr-sessionmanager/cgr-sessionmanager.go
@@ -0,0 +1,40 @@
+/*
+Rating system designed to be used in VoIP Carriers World
+Copyright (C) 2012  Radu Ioan Fericean
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package main
+
+import (
+	"flag"
+	"github.com/rif/cgrates/sessionmanager"
+	"log"
+)
+
+var (
+	balancer       = flag.String("balancer", "127.0.0.1:2000", "balancer address host:port")
+	freeswitchsrv  = flag.String("freeswitchsrv", "localhost:8021", "freeswitch address host:port")
+	freeswitchpass = flag.String("freeswitchpass", "ClueCon", "freeswitch address host:port")
+)
+
+func main() {
+	flag.Parse()
+	sm := &sessionmanager.SessionManager{}
+	sm.Connect(new(sessionmanager.DirectSessionDelegate), *freeswitchsrv, *freeswitchpass)
+	waitChan := make(<-chan byte)
+	log.Print("Session manager!")
+	<-waitChan
+}
diff --git a/sessionmanager/sessiondelegate.go b/sessionmanager/sessiondelegate.go
index 6428ca216..53780d3f7 100644
--- a/sessionmanager/sessiondelegate.go
+++ b/sessionmanager/sessiondelegate.go
@@ -55,7 +55,14 @@ func (dsd *DirectSessionDelegate) OnHeartBeat(ev *Event) {
 }
 
 func (dsd *DirectSessionDelegate) OnChannelAnswer(ev *Event, s *Session) {
-	log.Print("direct answer")
+	s.callDescriptor.Amount = DEBIT_PERIOD.Seconds()
+	remainingSeconds, err := s.callDescriptor.GetMaxSessionTime()
+	if remainingSeconds == 0 || err != nil {
+		log.Print("No credit left: Disconnect!")
+	}
+	if remainingSeconds < DEBIT_PERIOD.Seconds() || err != nil {
+		log.Print("Not enough money for a debit period!")
+	}
 }
 
 func (dsd *DirectSessionDelegate) OnChannelHangupComplete(ev *Event, s *Session) {
@@ -69,7 +76,11 @@ func (dsd *DirectSessionDelegate) LoopAction(s *Session, cd *timespans.CallDescr
 	}
 	s.CallCosts = append(s.CallCosts, cc)
 	cd.Amount = DEBIT_PERIOD.Seconds()
-	if remainingSeconds, err := cd.GetMaxSessionTime(); remainingSeconds < DEBIT_PERIOD.Seconds() || err != nil {
+	remainingSeconds, err := cd.GetMaxSessionTime()
+	if remainingSeconds == 0 || err != nil {
+		log.Print("No credit left: Disconnect!")
+	}
+	if remainingSeconds < DEBIT_PERIOD.Seconds() || err != nil {
 		log.Print("Not enough money for another debit period!")
 	}
 }
diff --git a/sessionmanager/sessionmanager.go b/sessionmanager/sessionmanager.go
index 371637ae7..49e2ddfaf 100644
--- a/sessionmanager/sessionmanager.go
+++ b/sessionmanager/sessionmanager.go
@@ -113,7 +113,9 @@ func (sm *SessionManager) OnChannelHangupComplete(ev *Event) {
 	} else {
 		log.Print("HangupComplete")
 	}
-	s.Close()
+	if s != nil {
+		s.Close()
+	}
 }
 
 // Called on freeswitch's events not processed by the session manger,